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Sum of columns using awk

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# 1  
Old 08-01-2017
Sum of columns using awk
Hello everyone

I am a beginner in Shell scripting. Need your help to achieve desired result.
I have a file (sample format below)

Code:
     001g8aX0007jxLz xxxxxxxxxxxxxxx           9213974926411    CO-COMM-133     CO-L001-DLY     7769995578239     44938           1    1       
     001g8aX0007jw8C xxxxxxxxxxxxxxx           9213974926411    CO-COMM-108     CO-L001-DLY     7769995578239     44199           1    1       
     001g8aX0001n69f xxxxxxxxxxxxxxx           9213974927136    CO-COMM-132     CO-L001-DLY     7769995583435     44273           2    2       
     001g8aX0000Pqsp xxxxxxxxxxxxxxx           9213974929242    CO-COMM-114     CO-L001-DLY     7769995598366     44901           2    2       
     001g8aX00023bjx xxxxxxxxxxxxxxx           9213974929991    ED-COMM-111     CO-L001-DLY     7769995602139     42943           2    2       
     001g8aX00023hCn xxxxxxxxxxxxxxx           9213974929991    CO-COMM-102     CO-L001-DLY     7769995602139     43012           2    2

Just imaging , i have 4th column '9213974926411' as an envelope and column 8 as page numbers in it. I need to find out total number of pages in one envelope and add the sum in each row as a last column. So the output will be like

Code:
     001g8aX0007jxLz xxxxxxxxxxxxxxx           9213974926411    CO-COMM-133     CO-L001-DLY     7769995578239     44938      1    1   2    
     001g8aX0007jw8C xxxxxxxxxxxxxxx           9213974926411    CO-COMM-108     CO-L001-DLY     7769995578239     44199      1    1   2   
     001g8aX0001n69f xxxxxxxxxxxxxxx           9213974927136    CO-COMM-132     CO-L001-DLY     7769995583435     44273      2    2   2    
     001g8aX0000Pqsp xxxxxxxxxxxxxxx           9213974929242    CO-COMM-114     CO-L001-DLY     7769995598366     44901      2    2   2    
     001g8aX00023bjx xxxxxxxxxxxxxxx           9213974929991    ED-COMM-111     CO-L001-DLY     7769995602139     42943      2    2   4   
     001g8aX00023hCn xxxxxxxxxxxxxxx           9213974929991    CO-COMM-102     CO-L001-DLY     7769995602139     43012      2    2   4

Thanks for help in advance !!
Last edited by Scrutinizer; 08-01-2017 at 05:47 AM.. Reason: code tags
# 2  
Old 08-01-2017
Try:
Code:
awk 'NR==FNR{A[$3]+=$8; next} {printf "%s%4d\n",$0,A[$3]}' file file


--
Note: the file name needs to be specified twice
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